Industry Patents
Patent: 4972306
Compact Variable Diffuser for use in a Luminaire
(Click image for PDF of full patent)
| Patent Number: |
4972306 |
| Title: |
Compact Variable Diffuser for use in a Luminaire |
| Abstract: |
A tambour-type panel of sections movable in a U-shaped track system from a
side location in a housing to a location in the path of light. The panel
sections are constructed to diffuse light passing therethrough. Each
section of the diffusing panel has a texturing which diffuses the light
with different degrees.
|
| Country of Issue: |
US |
| First Named Inventor: |
Bornhorst |
| Assignee: |
Vari-Lite |
| Continuation or Divisional of: |
|
| International Classification: |
F21V 11/18 |
| US Classification: |
362/278 |
| Issue Date: |
11-20-1990 |
| Filing Date: |
01-23-1989 |
| Application : |
300500 |
| Notes: |
|
| Link to Patent at freepatentsonline.com: |
4972306 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
4972306 at Google Patents |
1. The Google Patents and World Patent Family links will likely not work until a few weeks
after the patent has issued - they take a while to get new patents in their systems.
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